نتایج جستجو برای: کاتالیست های pz
تعداد نتایج: 480066 فیلتر نتایج به سال:
The anticoagulant serpin, protein Z-dependent protease inhibitor (ZPI), is catalytically activated by its cofactor, protein Z (PZ), to regulate the function of blood coagulation factor Xa on membrane surfaces. The X-ray structure of the ZPI-PZ complex has shown that PZ binds to a unique site on ZPI centered on helix G. In the present study, we show by Ala-scanning mutagenesis of the ZPIbinding ...
محلول آلکانول آمینها اغلب برای حذف ناخالصی گاز اسیدی، co2 و سولفید هیدروژن از جریان گاز طبیعی و گاز سنتز استفاده می¬شود که برای افزایش سرعت جذب و بالا بردن ظرفیت بارگذاری استفاده از مخلوط آمینها توسعه پیدا کرده است. ضرورت داشتن داده¬های آزمایشگاهی برای محاسبه و پیش بینی تعادل بخار – مایع و طراحی بهینه سامانه های عملیاتی،موجب شد تا داده¬های آزمایشگاهی حلالیت گاز co2 در سامانه mdea – amp – pz – ...
Protein Z (PZ) is the cofactor of PZ dependent inhibitor (ZPI) that inhibits activated coagulation factor X. PZ was expected to play a role in coronary artery disease (CAD) but with inconsistent clinical findings. We therefore evaluated whether PZ plasma level and/or three genetic variants encoding for low PZ plasma level were associated with premature CAD in stable young post-myocardial infarc...
Isomerism in rhodium(I) N,S-donor heteroscorpionates: ring substituent and ancillary ligand effects.
The heteroscorpionate ligands [HB(taz)(2)(pz(R))](-) (pz(R) = pz, pz(Me2), pz(Ph)) and [HB(taz)(pz)(2)](-), synthesised from the appropriate potassium hydrotris(pyrazolyl)borate salt and 4-ethyl-3-methyl-5-thioxo-1,2,4-triazole (Htaz), react with [{Rh(cod)(μ-Cl)}(2)] to give [Rh(cod)Tx] {Tx = HB(taz)(2)(pz), HB(taz)(2)(pz(Me2)), HB(taz)(2)(pz(Ph)), HB(taz)(pz)(2)}; the heteroscorpionate rhodabo...
Ribose 1,5-bisphosphate (Rib-1,5-Pz), a newly discovered activator of rat brain phosphofructokinase, forms rapidly during the initiation of glycolytic flux and disappears within 20 s (Ogushi, S., Lawson, J. W. R., Dobson, G. P., Veech, R. L., and Uyeda, K. (1990) J. Biol. Chem. 265, 10943-10949). Activation of various mammalian phosphofructokinases and plant pyrophosphate-dependent phosphofruct...
4-Nitro-7-(1-piperazinyl)-2,1,3-benzoxadiazole (NBD-PZ) reacts with carboxylic acids in the presence of condensing agents and is utilized for the fluorescence detection of the generated derivatives in high performance liquid chromatography or capillary electro-phoresis. Although the fluorescence intensity of derivatives of NBD-PZ-CH2CH2NH2 with carboxylic acids is elevated at low pH, the pH-dep...
Protein Z (PZ) is a vitamin K-dependent protein isolated from human plasma, and acts as a cofactor for a serpin, called protein Z-dependent protease inhibitor (ZPI). A prothrombotic phenotype has been reported in PZ deficient mice, and PZ deficiencies have been observed in patients with arterial thrombotic events. PZ was immunologically detected in the endothelium of atherosclerotic arteries, s...
Polaprezinc (PZ), a chelate compound consisting of zinc and l-carnosine (Car), is an anti-ulcer drug developed in Japan. In the present study, we investigated whether PZ suppresses mortality, pulmonary inflammation, and plasma nitric oxide (NO) and tumor necrosis factor (TNF)-alpha levels in endotoxin shock mice after peritoneal injection of lipopolysaccharide (LPS), and how PZ protects against...
Protein Z (PZ) is a vitamin K-dependent plasma protein whose function has been uncertain. The structure of PZ is very similar to that of the coagulation-related factors VII, IX, and X and PC, but PZ differs from these other proteins in that it is not the zymogen of a serine protease. We have shown recently that PZ forms a calcium ion-dependent complex with activated factor X at phospholipid sur...
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